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      1 /*
      2 * Tapetest
      3 * Copyright (c) International Business Machines Corp., 2001
      4 *
      5 *
      6 * This program is free software; you can redistribute it and/or modify
      7 * it under the terms of the GNU General Public License as published by
      8 * the Free Software Foundation; either version 2 of the License, or
      9 * (at your option) any later version.
     10 *
     11 * This program is distributed in the hope that it will be useful,
     12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14 * GNU General Public License for more details.
     15 *
     16 * You should have received a copy of the GNU General Public License
     17 * along with this program; if not, write to the Free Software
     18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
     19 *
     20 *  Please send e-mail to yardleyb (at) us.ibm.com if you have
     21 *  questions or comments.
     22 *
     23 *  Project Website:  TBD
     24 *
     25 * $Id: threading.h,v 1.7 2008/02/14 08:22:24 subrata_modak Exp $
     26 * $Log: threading.h,v $
     27 * Revision 1.7  2008/02/14 08:22:24  subrata_modak
     28 * Disktest application update to version 1.4.2, by, Brent Yardley <yardleyb (at) us.ibm.com>
     29 *
     30 * Revision 1.9  2008/02/07 17:37:26  yardleyb
     31 * "yxu (at) suse.de" corrected the way by which pthread_exit() handles pointer argument
     32 *
     33 * Revision 1.8  2004/11/20 04:43:42  yardleyb
     34 * Minor code fixes.  Checking for alloc errors.
     35 *
     36 * Revision 1.7  2004/11/19 21:45:12  yardleyb
     37 * Fixed issue with code added for -F option.  Cased disktest
     38 * to SEG FAULT when cleaning up threads.
     39 *
     40 * Revision 1.6  2004/11/02 20:47:13  yardleyb
     41 * Added -F functions.
     42 * lots of minor fixes. see README
     43 *
     44 * Revision 1.5  2002/03/30 01:32:14  yardleyb
     45 * Major Changes:
     46 *
     47 * Added Dumping routines for
     48 * data miscompares,
     49 *
     50 * Updated performance output
     51 * based on command line.  Gave
     52 * one decimal in MB/s output.
     53 *
     54 * Rewrote -pL IO routine to show
     55 * correct stats.  Now show pass count
     56 * when using -C.
     57 *
     58 * Minor Changes:
     59 *
     60 * Code cleanup to remove the plethera
     61 * if #ifdef for windows/unix functional
     62 * differences.
     63 *
     64 * Revision 1.4  2002/02/28 04:25:45  yardleyb
     65 * reworked threading code
     66 * made locking code a macro.
     67 *
     68 * Revision 1.3  2002/02/19 02:46:37  yardleyb
     69 * Added changes to compile for AIX.
     70 * Update getvsiz so it returns a -1
     71 * if the ioctl fails and we handle
     72 * that fact correctly.  Added check
     73 * to force vsiz to always be greater
     74 * then stop_lba.
     75 *
     76 * Revision 1.2  2002/02/04 20:35:38  yardleyb
     77 * Changed max. number of threads to 64k.
     78 * Check for max threads in parsing.
     79 * Fixed windows getopt to return correctly
     80 * when a bad option is given.
     81 * Update time output to be in the format:
     82 *   YEAR/MONTH/DAY-HOUR:MIN:SEC
     83 * instead of epoch time.
     84 *
     85 * Revision 1.1  2001/12/04 18:51:06  yardleyb
     86 * Checkin of new source files and removal
     87 * of outdated source
     88 *
     89 */
     90 
     91 #ifndef THREADING_H
     92 #define THREADING_H 1
     93 
     94 #ifdef WINDOWS
     95 #include <windows.h>
     96 #else
     97 #include <pthread.h>
     98 #include <sys/types.h>
     99 #include <unistd.h>
    100 #endif
    101 
    102 #include "defs.h"
    103 #include "main.h"
    104 
    105 #define MAX_THREADS 65536		/* max number of threads, reader/writer, per test */
    106 
    107 #ifdef WINDOWS
    108 #define LOCK(Mutex) WaitForSingleObject((void *) Mutex, INFINITE)
    109 #define UNLOCK(Mutex) ReleaseMutex((void *) Mutex)
    110 #define TEXIT(errno) ExitThread(errno); return(errno)
    111 #define ISTHREADVALID(thread) (thread != NULL)
    112 #else
    113 #define LOCK(Mutex) \
    114 		pthread_cleanup_push((void *) pthread_mutex_unlock, (void *) &Mutex); \
    115 		pthread_mutex_lock(&Mutex)
    116 #define UNLOCK(Mutex) \
    117 		pthread_mutex_unlock(&Mutex); \
    118 		pthread_cleanup_pop(0)
    119 #define TEXIT(errno) pthread_exit((void*)errno)
    120 #define ISTHREADVALID(thread) (thread != 0)
    121 #endif
    122 
    123 void cleanUpTestChildren(test_ll_t *);
    124 void CreateTestChild(void *, test_ll_t *);
    125 hThread_t spawnThread(void *, void *);
    126 void closeThread(hThread_t);
    127 void createChild(void *, test_ll_t *);
    128 void cleanUp(test_ll_t *);
    129 
    130 #endif /* THREADING_H */
    131